# ScheduleConfiguration
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Configuration of the schedule of the query.

## Contents
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 ** ScheduleExpression **   <a name="timestream-Type-query_ScheduleConfiguration-ScheduleExpression"></a>
An expression that denotes when to trigger the scheduled query run. This can be a cron expression or a rate expression.   
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 256.  
Required: Yes

## See Also
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For more information about using this API in one of the language-specific Amazon SDKs, see the following:
+  [Amazon SDK for C\+\+](https://docs.amazonaws.cn/goto/SdkForCpp/timestream-query-2018-11-01/ScheduleConfiguration) 
+  [Amazon SDK for Java V2](https://docs.amazonaws.cn/goto/SdkForJavaV2/timestream-query-2018-11-01/ScheduleConfiguration) 
+  [Amazon SDK for Ruby V3](https://docs.amazonaws.cn/goto/SdkForRubyV3/timestream-query-2018-11-01/ScheduleConfiguration)